code: def test_deterministic_action(self):
      path = rollout(
          self.env,
          self.policy,
          max_episode_length=5,
          deterministic=True,
      )
      assert (path["actions"] == 0.0).all()
  
imports: import csv
  import math
  import tempfile
  import akro
  import dowel
  from dowel import logger, tabular
  import numpy
  import pytest
  import tensorflow
  import torch
  from garage import _Default, EnvSpec, EpisodeBatch, log_multitask_performance, log_performance, make_optimizer, rollout, StepType
  from garage.envs import GymEnv
  from tests.fixtures import TfGraphTestCase
  from tests.fixtures.envs.dummy import DummyBoxEnv
  from tests.fixtures.policies import DummyPolicy
label_desc: Use image node_id 3 for calling the TestRollout obj's underlying member method code with example usage: obj.test_deterministic_action() without return types